Goodbye miniDisplay ports, and hello Thunderbolt: Apple's latest iMacs include the faster…
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In their teardown, they found that the PCI Express and DisplayPort both have their own 10GBps data channel so that the display and hard drive aren't competing for bandwidth. They found it pretty easy to rip apart, scoring it 7/10 (with 10 being the easiest to repair.) Check out the full teardown over here: [iFixit]